Using the accounting equation for transaction analysis, preparing financial statements, and calculating return on assets (ROA)

Davis Consulting completed the following transactions during December 2014:

Dec. 2 Owner contributed $18,000 cash in exchange for capital.

2 Paid monthly office rent, $550.
3 Paid cash for a computer, $1,800. This equipment is expected to remain in service for five years.
4 Purchased office furniture on account, $4,200. The furniture should last for five years.
5 Purchased office supplies on account, $900.
9 Performed consulting service for a client on account, $1,500.
12 Paid utilities expenses, $250.
18 Performed service for a client and received cash of $1,100.
21 Received $1,400 in advance for client service to be performed in the future.
21 Hired an administrative assistant to be paid $2,055 on the 20th day of each month. The secretary begins work immediately.
26 Paid $400 on account.
28 Collected $300 on account.
30 Davis withdrew cash of $1,400.

Requirements

1. Journalize the transactions, using the following accounts: Cash; Accounts Receivable; Office Supplies; Equipment; Furniture; Accounts Payable; Unearned Revenue; Davis, Capital; Davis, Withdrawals; Service Revenue; Rent Expense; and Utilities Expense. Explanations are not required.
2. Open a T-account for each of the accounts.
3. Post the journal entries to the T-accounts and calculate account balances.
Formal posting references are not required.
4. Prepare a trial balance as of December 31, 2014.
5. Prepare the income statement of Davis Consulting for the month ended December 31, 2014.
6. Prepare the statement of owner's equity for the month ended December 31, 2014.
7. Prepare the balance sheet as of December 31, 2014.
8. Calculate the debt ratio for Davis Consulting.